core/homeassistant/components/niko_home_control/light.py

124 lines
4.1 KiB
Python

"""Support for Niko Home Control."""
from __future__ import annotations
from datetime import timedelta
import logging
from typing import Any
import nikohomecontrol
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
PLATFORM_SCHEMA as LIGHT_PLATFORM_SCHEMA,
ColorMode,
LightEntity,
brightness_supported,
)
from homeassistant.const import CONF_HOST
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import PlatformNotReady
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util import Throttle
_LOGGER = logging.getLogger(__name__)
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=1)
SCAN_INTERVAL = timedelta(seconds=30)
PLATFORM_SCHEMA = LIGHT_PLATFORM_SCHEMA.extend({vol.Required(CONF_HOST): cv.string})
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Niko Home Control light platform."""
host = config[CONF_HOST]
try:
nhc = nikohomecontrol.NikoHomeControl(
{"ip": host, "port": 8000, "timeout": 20000}
)
niko_data = NikoHomeControlData(hass, nhc)
await niko_data.async_update()
except OSError as err:
_LOGGER.error("Unable to access %s (%s)", host, err)
raise PlatformNotReady from err
async_add_entities(
[NikoHomeControlLight(light, niko_data) for light in nhc.list_actions()], True
)
class NikoHomeControlLight(LightEntity):
"""Representation of an Niko Light."""
def __init__(self, light, data):
"""Set up the Niko Home Control light platform."""
self._data = data
self._light = light
self._attr_unique_id = f"light-{light.id}"
self._attr_name = light.name
self._attr_is_on = light.is_on
self._attr_color_mode = ColorMode.ONOFF
self._attr_supported_color_modes = {ColorMode.ONOFF}
if light._state["type"] == 2: # noqa: SLF001
self._attr_color_mode = ColorMode.BRIGHTNESS
self._attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def turn_on(self, **kwargs: Any) -> None:
"""Instruct the light to turn on."""
_LOGGER.debug("Turn on: %s", self.name)
self._light.turn_on(kwargs.get(ATTR_BRIGHTNESS, 255) / 2.55)
def turn_off(self, **kwargs: Any) -> None:
"""Instruct the light to turn off."""
_LOGGER.debug("Turn off: %s", self.name)
self._light.turn_off()
async def async_update(self) -> None:
"""Get the latest data from NikoHomeControl API."""
await self._data.async_update()
state = self._data.get_state(self._light.id)
self._attr_is_on = state != 0
if brightness_supported(self.supported_color_modes):
self._attr_brightness = state * 2.55
class NikoHomeControlData:
"""The class for handling data retrieval."""
def __init__(self, hass, nhc):
"""Set up Niko Home Control Data object."""
self._nhc = nhc
self.hass = hass
self.available = True
self.data = {}
self._system_info = None
@Throttle(MIN_TIME_BETWEEN_UPDATES)
async def async_update(self):
"""Get the latest data from the NikoHomeControl API."""
_LOGGER.debug("Fetching async state in bulk")
try:
self.data = await self.hass.async_add_executor_job(
self._nhc.list_actions_raw
)
self.available = True
except OSError as ex:
_LOGGER.error("Unable to retrieve data from Niko, %s", str(ex))
self.available = False
def get_state(self, aid):
"""Find and filter state based on action id."""
for state in self.data:
if state["id"] == aid:
return state["value1"]
_LOGGER.error("Failed to retrieve state off unknown light")
return None